Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 7.35
Milk (kg) -158.00 -0.014 2.21
Fat (kg) -4.46 -0.375 1.67
Prot (kg) -7.85 -0.441 3.46
Fertility Sub Index -1.84
Calving Interval (days) 0.93 -1.459 -1.36
Survival (%) -0.43 1.117 -0.48
Calving Sub Index 0.35
Gestation Length (days) -0.38 -0.919 0.35
Beef Sub Index -0.26
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 4.02 -0.432 -1.74
Maintenance Sub Index Maint. Sub Index -0.31
Live WT (kg) 1.00 -0.307 -0.31
Total Carbon Sub Index 5.29

* Based on an €80/tonne carbon price